EP4235848A3 - Positive electrode active material and lithium ion battery - Google Patents

Positive electrode active material and lithium ion battery Download PDF

Info

Publication number
EP4235848A3
EP4235848A3 EP23176946.4A EP23176946A EP4235848A3 EP 4235848 A3 EP4235848 A3 EP 4235848A3 EP 23176946 A EP23176946 A EP 23176946A EP 4235848 A3 EP4235848 A3 EP 4235848A3
Authority
EP
European Patent Office
Prior art keywords
particle
active material
ion battery
positive electrode
electrode active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23176946.4A
Other languages
German (de)
French (fr)
Other versions
EP4235848A2 (en
Inventor
Qiao ZENG
Kefei Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810123144.4A external-priority patent/CN110120497B/en
Priority claimed from CN201810779137.XA external-priority patent/CN110729477B/en
Application filed by Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of EP4235848A2 publication Critical patent/EP4235848A2/en
Publication of EP4235848A3 publication Critical patent/EP4235848A3/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Complex oxides containing cobalt and at least one other metal element
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Complex oxides containing cobalt and at least one other metal element
    • C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Complex oxides containing cobalt and at least one other metal element
    • C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
    • C01G51/44—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2 containing manganese
    • C01G51/50—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2 containing manganese of the type (MnO2)n-, e.g. Li(CoxMn1-x)O2 or Li(MyCoxMn1-x-y)O2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Complex oxides containing nickel and at least one other metal element
    • C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
    • C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The present application provides a positive active material, a positive electrode and a lithium-ion battery. The positive active material comprising a first particle and a second particle, wherein the first particle has a chemical formula of LieCogM1-gO2-i, and the second particle has a chemical formula of LifCohN1-hO2-j, the element M is at least two selected from a group consisting of Ni, Mn, Al, Mg, Ti, La, Y and Zr, the element N is at least one selected from a group consisting of Ni, Mn, Al, Mg, Ti, La, Y and Zr, and 0.8≤e≤1.2, 0<g<1, -0.1<i<0.2, 0.8<f<1.2, 0<h<1, -0.1≤j≤0.2, the number of types of the element M in the first particle is greater than the number of types of the element N in the second particles.. The present application stabilizes the first particles and the second particles by adjusting the type and content of the doping elements in the first particle and in the second particle, so that the capacity retention rate of the lithium-ion battery is improved.
EP23176946.4A 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery Pending EP4235848A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201810123144.4A CN110120497B (en) 2018-02-07 2018-02-07 An active material and lithium-ion battery
CN201810779137.XA CN110729477B (en) 2018-07-16 2018-07-16 Cathode Active Materials and Lithium-Ion Batteries
EP18905006.5A EP3731314B1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery
PCT/CN2018/122758 WO2019153909A1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP18905006.5A Division EP3731314B1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery
EP18905006.5A Division-Into EP3731314B1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery

Publications (2)

Publication Number Publication Date
EP4235848A2 EP4235848A2 (en) 2023-08-30
EP4235848A3 true EP4235848A3 (en) 2023-10-04

Family

ID=67548818

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23176946.4A Pending EP4235848A3 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery
EP18905006.5A Active EP3731314B1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18905006.5A Active EP3731314B1 (en) 2018-02-07 2018-12-21 Positive electrode active material and lithium ion battery

Country Status (6)

Country Link
US (2) US20190245199A1 (en)
EP (2) EP4235848A3 (en)
JP (1) JP7059381B2 (en)
CN (2) CN117457872A (en)
CA (1) CA3090720A1 (en)
WO (1) WO2019153909A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117457872A (en) 2018-02-07 2024-01-26 宁德新能源科技有限公司 Cathode active materials and lithium-ion batteries
JP7397792B2 (en) 2018-06-22 2023-12-13 株式会社半導体エネルギー研究所 Positive electrode active material, positive electrode, secondary battery, and method for producing positive electrode
EP3930042A4 (en) * 2019-03-29 2023-07-19 GS Yuasa International Ltd. Electricity storage element
US12552681B2 (en) 2019-04-05 2026-02-17 Semiconductor Energy Laboratory Co., Ltd. Method for forming positive electrode active material, method for manufacturing secondary battery, and secondary battery
WO2020201891A1 (en) 2019-04-05 2020-10-08 株式会社半導体エネルギー研究所 Method for producing positive electrode active substance
EP4707243A3 (en) * 2019-08-30 2026-05-06 Panasonic Holdings Corporation Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery
CN112467078B (en) * 2020-11-30 2022-06-17 宁德新能源科技有限公司 Electrochemical device and electronic device
CN113745452B (en) * 2021-09-08 2023-06-20 东莞新能安科技有限公司 A kind of electrochemical device and electronic device
WO2023050054A1 (en) * 2021-09-28 2023-04-06 宁德新能源科技有限公司 Electrochemical apparatus, and electric device including electrochemical apparatus
JPWO2023053582A1 (en) * 2021-09-30 2023-04-06
CN115020635B (en) * 2022-06-14 2024-05-31 蔚来汽车科技(安徽)有限公司 Positive electrode, lithium-ion battery and vehicle
EP4579810A4 (en) * 2023-02-02 2026-04-01 Contemporary Amperex Technology Hong Kong Ltd POSITIVE ELECTRODE MATERIAL AND MANUFACTURING METHOD THEREOF, POSITIVE ELECTRODE FILM, SECONDARY BATTERY AND ELECTRICAL DEVICE
WO2024181049A1 (en) * 2023-02-28 2024-09-06 パナソニックエナジー株式会社 Positive electrode for secondary battery, and secondary battery
CN121709595A (en) * 2023-03-01 2026-03-20 宁德时代新能源科技股份有限公司 Positive electrode active material, positive electrode sheet, secondary battery, electrical device and preparation method
CN117423827A (en) * 2023-09-15 2024-01-19 宁波容百新能源科技股份有限公司 Cathode active material and preparation method thereof and lithium-ion battery
KR20250154803A (en) * 2024-04-22 2025-10-29 삼성에스디아이 주식회사 Positive electrode active material for rechargeable lithium battery and rechargeable lithium battery including the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080193846A1 (en) * 2007-02-13 2008-08-14 Sanyo Electric Co., Ltd. Positive electrode for nonaqueous electrolyte secondary battery, and production method thereof
JP2011192541A (en) * 2010-03-15 2011-09-29 Hitachi Maxell Energy Ltd Nonaqueous secondary battery

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038396C (en) 1994-10-06 1998-05-20 石油大学(北京) Fluid-bed opposite-jetting superthin air flow crusher
JP2000082466A (en) * 1998-07-02 2000-03-21 Nippon Chem Ind Co Ltd Cathode active material and non-aqueous electrolyte secondary battery
JP2001185142A (en) 1999-12-24 2001-07-06 Sumitomo Metal Mining Co Ltd Positive electrode active material for lithium ion secondary battery and method for producing the same
JP2002100356A (en) * 2000-09-25 2002-04-05 Seimi Chem Co Ltd Lithium secondary battery
JP4120262B2 (en) 2002-02-26 2008-07-16 ソニー株式会社 Non-aqueous electrolyte battery
AU2003266620A1 (en) * 2002-09-26 2004-04-19 Seimi Chemical Co., Ltd. Positive electrode active substance for lithium secondary battery and process for producing the same
CN1320963C (en) 2002-10-18 2007-06-13 昭和电工株式会社 Dry grinding system and dry grinding method
FR2874603B1 (en) 2004-08-31 2006-11-17 Commissariat Energie Atomique MIXED TITANIUM AND DENSE LITHIUM MIXED OXIDE POWDER COMPOUND, PROCESS FOR PRODUCING THE SAME, AND ELECTRODE COMPRISING SUCH COMPOUND
JP4222519B2 (en) 2005-04-13 2009-02-12 日立マクセル株式会社 Lithium ion secondary battery and equipment using the same
KR100670507B1 (en) * 2005-04-28 2007-01-16 삼성에스디아이 주식회사 Lithium secondary battery
JP5303822B2 (en) 2006-02-13 2013-10-02 ソニー株式会社 Positive electrode active material and non-aqueous electrolyte secondary battery
CN101188282B (en) * 2006-03-20 2010-09-08 日立麦克赛尔株式会社 Non-aqueous secondary battery and method of use thereof
JP2007302504A (en) 2006-05-10 2007-11-22 Honjo Chemical Corp Lithium cobaltate particles and production method thereof
JP5019892B2 (en) 2007-01-23 2012-09-05 三洋電機株式会社 Nonaqueous electrolyte secondary battery
CN101667663B (en) * 2007-10-10 2013-05-15 日立麦克赛尔能源株式会社 Nonaqueous secondary battery and apparatus using the same
CN101685852A (en) 2008-09-25 2010-03-31 深圳市比克电池有限公司 Method for preparing lithium ion battery anode material
JP4972624B2 (en) * 2008-09-30 2012-07-11 日立ビークルエナジー株式会社 Positive electrode material for lithium secondary battery and lithium secondary battery using the same
KR20100079535A (en) * 2008-12-31 2010-07-08 주식회사 엘앤에프신소재 Cathode active material for lithium secondary batteries
CN101707252B (en) 2009-11-09 2012-01-25 深圳市振华新材料股份有限公司 Polycrystal Co-Ni-Mn ternary anode material and preparation method thereof as well as secondary lithium-ion battery
JP5389620B2 (en) * 2009-11-27 2014-01-15 株式会社日立製作所 Positive electrode material for lithium ion secondary battery and lithium ion secondary battery using the same
PL2399869T3 (en) * 2010-06-25 2015-11-30 Evonik Degussa Gmbh Mixed oxide powder containing the elements lithium, manganese, nickel and cobalt and method for producing same
JP5670671B2 (en) 2010-09-02 2015-02-18 日立マクセル株式会社 Method for producing positive electrode for battery and method for producing lithium ion secondary battery
JP5861992B2 (en) 2011-11-09 2016-02-16 株式会社Ｇｓユアサ Non-aqueous electrolyte secondary battery active material, method for producing the active material, non-aqueous electrolyte secondary battery electrode, and non-aqueous electrolyte secondary battery
CN102544474B (en) 2012-03-02 2013-11-06 宁波金和新材料股份有限公司 Preparation method for high-energy-density lithium battery positive pole composite material
KR101411226B1 (en) 2012-04-03 2014-06-23 삼성정밀화학 주식회사 Lithium manganese oxide positive active material for lithium ion secondary battery and lithium ion secondary battery including the same
CN102974541A (en) 2012-11-28 2013-03-20 蚌埠鑫源石英材料有限公司 Positive-pressure grading method for ultrafine powder
CN105051945B (en) * 2012-12-14 2017-04-12 尤米科尔公司 Bimodal lithium transition metal based oxide powder for use in a rechargeable battery
KR101903827B1 (en) 2013-07-31 2018-11-07 한양대학교 산학협력단 Manufacturing method of transition metal complex oxide, transition metal complex oxide made by the same, and lithium metal complex oxide made using the same
CN104016421B (en) 2014-06-24 2016-05-04 南通瑞翔新材料有限公司 Preparation method of lithium ion positive electrode material
CN106450289A (en) 2016-08-17 2017-02-22 中信大锰矿业有限责任公司大新锰矿分公司 High-voltage lithium cobalt oxide positive electrode material and preparation method therefor
CN206199668U (en) 2016-10-09 2017-05-31 天津国安盟固利新材料科技股份有限公司 Anode material of lithium battery hybrid particles shake screening plant
CN117457872A (en) 2018-02-07 2024-01-26 宁德新能源科技有限公司 Cathode active materials and lithium-ion batteries
CN110729477B (en) 2018-07-16 2021-07-23 宁德新能源科技有限公司 Cathode Active Materials and Lithium-Ion Batteries

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080193846A1 (en) * 2007-02-13 2008-08-14 Sanyo Electric Co., Ltd. Positive electrode for nonaqueous electrolyte secondary battery, and production method thereof
JP2011192541A (en) * 2010-03-15 2011-09-29 Hitachi Maxell Energy Ltd Nonaqueous secondary battery

Also Published As

Publication number Publication date
CA3090720A1 (en) 2019-08-15
WO2019153909A1 (en) 2019-08-15
US12170363B2 (en) 2024-12-17
EP4235848A2 (en) 2023-08-30
JP7059381B2 (en) 2022-04-25
CN117457872A (en) 2024-01-26
JP2021513193A (en) 2021-05-20
US20220336793A1 (en) 2022-10-20
EP3731314A1 (en) 2020-10-28
CN111699576A (en) 2020-09-22
US20190245199A1 (en) 2019-08-08
EP3731314B1 (en) 2023-08-02
EP3731314A4 (en) 2021-04-21

Similar Documents

Publication Publication Date Title
EP4235848A3 (en) Positive electrode active material and lithium ion battery
Sun et al. Enhancing the stabilities and electrochemical performances of LiNi0. 5Co0. 2Mn0. 3O2 cathode material by simultaneous LiAlO2 coating and Al doping
EP4682985A3 (en) Positive electrode active material, method for preparation thereof, positive electrode plate, lithium-ion secondary battery and related battery module, battery pack and apparatus
EP4354526A3 (en) Positive electrode material for lithium secondary battery, and positive electrode for lithium secondary battery, and lithium secondary battery including the same
WO2010068524A3 (en) Positive electrode materials for high discharge capacity lithium ion batteries
US10103382B2 (en) Nonaqueous electrolyte secondary battery
WO2021209079A3 (en) Positive electrode active material with superlattice structure and preparation method therefor, and lithium ion battery
TW200501472A (en) Cathode active material comprising additive for improving overdischarge-performance and lithium secondary battery using the same
WO2009063838A1 (en) Active material for lithium rechargeable battery, lithium rechargeable battery, and process for producing the same
JP2009152114A5 (en)
CN108269997A (en) A kind of lithium ion battery gradient anode material and preparation method thereof
EP1255311A3 (en) Cathode active material and non-aqueous electrolyte cell
ZA202205597B (en) Lithium battery positive electrode material precursor, preparation method therefor and application thereof
WO2025185721A8 (en) High-nickel positive electrode active material, preparation method therefor, and use thereof
CN114388777A (en) Positive electrode material with high peak intensity ratio and preparation method and application thereof
WO2019027215A3 (en) Lithium composite oxide precursor, preparation method therefor, and lithium composite oxide prepared using same
Hwang et al. Electrochemical properties of Li [NixLi (1− 2x)/3Mn (2− x)/3] O2 (0≤ x≤ 0.5) cathode materials prepared by a sol–gel process
JP2016051548A5 (en)
EP3675264B1 (en) Secondary battery and method for manufacturing the same
EP4456170A3 (en) Lithium ion secondary battery
WO2019066297A3 (en) Positive electrode active material comprising lithium-rich lithium manganese-based oxide, and lithium tungsten compound, or additionally, tungsten compound, on lithium-rich lithium manganese-based oxide, and lithium secondary battery positive electrode comprising same
EP4303190A3 (en) Positive electrode active material particle, lithium ion secondary battery and method for producing positive electrode active material particle
JPH04289662A (en) Non-aqueous electrolyte secondary battery and its positive electrode active material manufacturing method
EP4528854A3 (en) Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery
WO2022145033A8 (en) Positive electrode active material for proton conducting secondary batteries, and proton conducting secondary battery provided with same

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230602

AC Divisional application: reference to earlier application

Ref document number: 3731314

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H01M0004131000

Ipc: H01M0004525000

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: H01M 10/0525 20100101ALN20230830BHEP

Ipc: H01M 4/02 20060101ALN20230830BHEP

Ipc: H01M 4/131 20100101ALI20230830BHEP

Ipc: H01M 4/36 20060101ALI20230830BHEP

Ipc: H01M 4/525 20100101AFI20230830BHEP